diff --git a/dtool/src/prc/CMakeLists.txt b/dtool/src/prc/CMakeLists.txt
index 64c9c8168a..e3fc7afac3 100644
--- a/dtool/src/prc/CMakeLists.txt
+++ b/dtool/src/prc/CMakeLists.txt
@@ -65,4 +65,4 @@ set(P3PRC_SOURCES
 composite_sources(p3prc P3PRC_SOURCES)
 
 add_library(p3prc ${P3PRC_HEADERS} ${P3PRC_SOURCES})
-target_link_libraries(p3prc p3dtoolutil p3dtoolbase)
+target_link_libraries(p3prc p3dtoolutil p3dtoolbase ${OPENSSL_LIBRARIES})
diff --git a/panda/src/gobj/CMakeLists.txt b/panda/src/gobj/CMakeLists.txt
index 5c6e587628..34dbb3216d 100644
--- a/panda/src/gobj/CMakeLists.txt
+++ b/panda/src/gobj/CMakeLists.txt
@@ -143,7 +143,7 @@ set(P3GOBJ_SOURCES
 
 composite_sources(p3gobj P3GOBJ_SOURCES)
 add_library(p3gobj ${P3GOBJ_HEADERS} ${P3GOBJ_SOURCES})
-target_link_libraries(p3gobj p3gsgbase p3pnmimage)
+target_link_libraries(p3gobj p3gsgbase p3pnmimage ${ZLIB_LIBRARIES})
 target_interrogate(p3gobj ALL)
 
 #begin test_bin_target
diff --git a/panda/src/pnmtext/CMakeLists.txt b/panda/src/pnmtext/CMakeLists.txt
index 999b43b2b2..73e2e67a96 100644
--- a/panda/src/pnmtext/CMakeLists.txt
+++ b/panda/src/pnmtext/CMakeLists.txt
@@ -15,5 +15,5 @@ set(P3PNMTEXT_SOURCES
 
 composite_sources(p3pnmtext P3PNMTEXT_SOURCES)
 add_library(p3pnmtext ${P3PNMTEXT_SOURCES} ${P3PNMTEXT_HEADERS})
-target_link_libraries(p3pnmtext p3pnmimage)
+target_link_libraries(p3pnmtext p3pnmimage ${FREETYPE_LIBRARIES})
 target_interrogate(p3pnmtext ALL)
diff --git a/panda/src/text/CMakeLists.txt b/panda/src/text/CMakeLists.txt
index 16762eb088..cc6e5d1fcb 100644
--- a/panda/src/text/CMakeLists.txt
+++ b/panda/src/text/CMakeLists.txt
@@ -34,5 +34,5 @@ set(P3TEXT_SOURCES
 
 composite_sources(p3text P3TEXT_SOURCES)
 add_library(p3text ${P3TEXT_SOURCES} ${P3TEXT_HEADERS})
-target_link_libraries(p3text p3pnmtext p3parametrics)
+target_link_libraries(p3text p3pnmtext p3parametrics ${FREETYPE_LIBRARIES})
 target_interrogate(p3text ALL)